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CWE-116

581 CVEs • Abstraction: Class • Likelihood of Exploit: High

Improper Encoding or Escaping of Output

The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

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CVEs (581)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Pretix
1Pretix
Oct 19, 2026
Nov 27, 2025
2.4 LOW· v4
6.1 MEDIUM· v3
N/A· v2
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name} is used in an email template, it will be replaced with the buyer's name for the final email. If the name of...Show more
Emails sent by pretix can utilize placeholders that will be filled with customer data. For example, when {name} is used in an email template, it will be replaced with the buyer's name for the final email. If the name of the attendee contained HTML or Markdown formatting, this was rendered as HTML in the resulting email. This way, a user could inject links or other formatted text through a maliciously formatted name. Since pretix applies a strict allow list approach to allowed HTML tags, this could not be abused for XSS or similarly dangerous attack chains. However, it can be used to manipulate emails in a way that makes user-provided content appear in a trustworthy and credible way, which can be abused for phishing.Show less
1Emby
1Emby
Oct 18, 2026
Nov 18, 2025
8.4 HIGH· v4
9.0 CRITICAL· v3
N/A· v2
Emby Server is a personal media server. Prior to version 4.8.1.0 and prior to Beta version 4.9.0.0-beta, a malicious user can send an authentication request with a manipulated X-Emby-Client value, which gets added to the...Show more
Emby Server is a personal media server. Prior to version 4.8.1.0 and prior to Beta version 4.9.0.0-beta, a malicious user can send an authentication request with a manipulated X-Emby-Client value, which gets added to the devices section of the admin dashboard without sanitization. This issue has been patched in version 4.8.1.0 and Beta version 4.9.0.0-beta.Show less
1Solarwinds
1Serv U
Oct 18, 2026
Nov 18, 2025
N/A· v4
9.1 CRITICAL· v3
N/A· v2
A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code. This issue requires administrative privileges to abuse. On Window...Show more
A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.Show less
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Oct 18, 2026
Nov 11, 2025
8.6 HIGH· v4
N/A· v3
N/A· v2
A security issue exists within DataMosaix™ Private Cloud allowing for Persistent XSS. This vulnerability can result in the execution of malicious JavaScript, allowing for account takeover, credential theft, or redirectio...Show more
A security issue exists within DataMosaix™ Private Cloud allowing for Persistent XSS. This vulnerability can result in the execution of malicious JavaScript, allowing for account takeover, credential theft, or redirection to a malicious website.Show less
1Onlook
1Onlook
Jun 17, 2026
Nov 7, 2025
N/A· v4
6.1 MEDIUM· v3
N/A· v2
A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the text editor feature of the Onlook web application 0.2.32. This vulnerability occurs because user-supplied input is not properly sanitized before being di...Show more
A DOM-based Cross-Site Scripting (XSS) vulnerability exists in the text editor feature of the Onlook web application 0.2.32. This vulnerability occurs because user-supplied input is not properly sanitized before being directly injected into the DOM via innerHTML when editing a text element. An attacker can exploit this to inject malicious HTML and script code, which is then executed within the context of the preview iframe, allowing for the execution of arbitrary scripts in the user's session.Show less
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Jun 17, 2026
Nov 5, 2025
N/A· v4
7.1 HIGH· v3
N/A· v2
MDaemon Mail Server 23.5.2 validates SPF, DKIM, and DMARC using the email enclosed in angle brackets (<>) in the From: header of SMTP DATA. An attacker can craft a From: header with multiple invisible Unicode thin spaces...Show more
MDaemon Mail Server 23.5.2 validates SPF, DKIM, and DMARC using the email enclosed in angle brackets (<>) in the From: header of SMTP DATA. An attacker can craft a From: header with multiple invisible Unicode thin spaces to display a spoofed sender while passing validation, allowing email spoofing even when anti-spoofing protections are in place. NOTE: this is disputed by the Supplier because UI spoofing occurs in a client, not in a server such as MDaemon's product or any other server implementation. Also, if a client without its own spoofing protection must be used, the Header Screening feature in MDaemon's product can be employed to mitigate the client-side vulnerability.Show less
1Nagios
1Nagios Xi
Jun 17, 2026
Oct 30, 2025
5.1 MEDIUM· v4
6.1 MEDIUM· v3
N/A· v2
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.4 / Nagios XI 5.8.6 contains a reflected cross-site scripting (XSS) vulnerability via the Test Command functionality. Insufficient validation or escapi...Show more
The Core Config Manager (CCM) in Nagios XI versions prior to CCM 3.1.4 / Nagios XI 5.8.6 contains a reflected cross-site scripting (XSS) vulnerability via the Test Command functionality. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.Show less
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-
Oct 8, 2026
Oct 27, 2025
N/A· v4
5.3 MEDIUM· v3
N/A· v2
There is a Denial of Service(DoS)vulnerability in the ZTE MC889A Pro product. Due to insufficient validation of the input parameters of the Short Message Service interface, allowing an attacker to exploit it to carry out...Show more
There is a Denial of Service(DoS)vulnerability in the ZTE MC889A Pro product. Due to insufficient validation of the input parameters of the Short Message Service interface, allowing an attacker to exploit it to carry out a DoS attack.Show less
1Mozilla
2Firefox
Thunderbird
Oct 23, 2026
Oct 14, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulner...Show more
Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.Show less
1Mozilla
2Firefox
Thunderbird
Oct 23, 2026
Oct 14, 2025
N/A· v4
6.1 MEDIUM· v3
N/A· v2
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a sit...Show more
A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a content-type header. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.Show less
1Python Ldap
1Python Ldap
Oct 19, 2026
Oct 10, 2025
5.5 MEDIUM· v4
5.3 MEDIUM· v3
N/A· v2
python-ldap is a lightweight directory access protocol (LDAP) client API for Python. In versions prior to 3.4.5, ldap.dn.escape_dn_chars() escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte i...Show more
python-ldap is a lightweight directory access protocol (LDAP) client API for Python. In versions prior to 3.4.5, ldap.dn.escape_dn_chars() escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP server (e.g., AD), resulting in a client-side denial of service. Version 3.4.5 contains a patch for the issue.Show less
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-
Jun 17, 2026
Oct 10, 2025
N/A· v4
8.3 HIGH· v3
N/A· v2
A HTML injection vulnerability exists in Perfex CRM v3.3.1. The application fails to sanitize user input in the "Bill To" address field within the estimate module. As a result, arbitrary HTML can be injected and rendered...Show more
A HTML injection vulnerability exists in Perfex CRM v3.3.1. The application fails to sanitize user input in the "Bill To" address field within the estimate module. As a result, arbitrary HTML can be injected and rendered unescaped in client-facing documents.Show less
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Oct 19, 2026
Oct 9, 2025
N/A· v4
8.1 HIGH· v3
N/A· v2
pyLoad is a free and open-source download manager written in Python. In versions prior to 0.5.0b3.dev91, pyLoad web interface contained insufficient input validation in both the Captcha script endpoint and the Click'N'Lo...Show more
pyLoad is a free and open-source download manager written in Python. In versions prior to 0.5.0b3.dev91, pyLoad web interface contained insufficient input validation in both the Captcha script endpoint and the Click'N'Load (CNL) Blueprint. This flaw allowed untrusted user input to be processed unsafely, which could be exploited by an attacker to inject arbitrary content into the web UI or manipulate request handling. The vulnerability could lead to client-side code execution (XSS) or other unintended behaviors when a malicious payload is submitted. user-supplied parameters from HTTP requests were not adequately validated or sanitized before being passed into the application logic and response generation. This allowed crafted input to alter the expected execution flow. CNL (Click'N'Load) blueprint exposed unsafe handling of untrusted parameters in HTTP requests. The application did not consistently enforce input validation or encoding, making it possible for an attacker to craft malicious requests. Version 0.5.0b3.dev91 contains a patch for the issue.Show less
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Oct 9, 2026
Oct 6, 2025
N/A· v4
4.3 MEDIUM· v3
N/A· v2
Improper Encoding or Escaping of Output vulnerability in Logo Software Inc. Logo Cloud allows Phishing. This issue affects Logo Cloud: before 2.57.
1Motioneye Project
1Motioneye
Jul 5, 2026
Oct 3, 2025
N/A· v4
7.2 HIGH· v3
N/A· v2
MotionEye v0.43.1b4 and before is vulnerable to OS Command Injection in configuration parameters such as image_file_name. Unsanitized user input is written to Motion configuration files, allowing remote authenticated att...Show more
MotionEye v0.43.1b4 and before is vulnerable to OS Command Injection in configuration parameters such as image_file_name. Unsanitized user input is written to Motion configuration files, allowing remote authenticated attackers with admin access to achieve code execution when Motion is restarted.Show less
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-
Oct 9, 2026
Sep 27, 2025
N/A· v4
9.4 CRITICAL· v3
N/A· v2
get-jwks contains fetch utils for JWKS keys. In versions prior to 11.0.2, a vulnerability in get-jwks can lead to cache poisoning in the JWKS key-fetching mechanism. When the iss (issuer) claim is validated only after ke...Show more
get-jwks contains fetch utils for JWKS keys. In versions prior to 11.0.2, a vulnerability in get-jwks can lead to cache poisoning in the JWKS key-fetching mechanism. When the iss (issuer) claim is validated only after keys are retrieved from the cache, it is possible for cached keys from an unexpected issuer to be reused, resulting in a bypass of issuer validation. This design flaw enables a potential attack where a malicious actor crafts a pair of JWTs, the first one ensuring that a chosen public key is fetched and stored in the shared JWKS cache, and the second one leveraging that cached key to pass signature validation for a targeted iss value. The vulnerability will work only if the iss validation is done after the use of get-jwks for keys retrieval. This issue has been patched in version 11.0.2.Show less
1Hallowelt
1Bluespice
Jun 17, 2026
Sep 19, 2025
5.9 MEDIUM· v4
5.4 MEDIUM· v3
N/A· v2
Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.
1Hallowelt
1Bluespice
Jun 17, 2026
Sep 19, 2025
5.9 MEDIUM· v4
6.4 MEDIUM· v3
N/A· v2
Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceAvatars) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.
1Hallowelt
1Bluespice
Jun 17, 2026
Sep 19, 2025
5.9 MEDIUM· v4
6.4 MEDIUM· v3
N/A· v2
Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:AtMentions) allows Cross-Site Scripting (XSS). This issue affects BlueSpice: from 5 through 5.1.1.
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-
Jun 17, 2026
Sep 16, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting'), Improper Encoding or Escaping of Output, Improper Neutralization of Special Elements in Output Used by a Downstream Component (...Show more
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting'), Improper Encoding or Escaping of Output, Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in Patika Global Technologies HumanSuite allows Cross-Site Scripting (XSS), Phishing. This issue affects HumanSuite: before 53.21.0.Show less